graphiti/verify_migration.py
Lars Varming 341efd8c3d Fix: Critical database parameter bug + index creation error handling
CRITICAL FIX - Database Parameter (graphiti_core):
- Fixed graphiti_core/driver/neo4j_driver.py execute_query method
- database_ parameter was incorrectly added to params dict instead of kwargs
- Now correctly passed as keyword argument to Neo4j driver
- Impact: All queries now execute in configured database (not default 'neo4j')
- Root cause: Violated Neo4j Python driver API contract

Technical Details:
Previous code (BROKEN):
  params.setdefault('database_', self._database)  # Wrong - in params dict
  result = await self.client.execute_query(cypher_query_, parameters_=params, **kwargs)

Fixed code (CORRECT):
  kwargs.setdefault('database_', self._database)  # Correct - in kwargs
  result = await self.client.execute_query(cypher_query_, parameters_=params, **kwargs)

FIX - Index Creation Error Handling (MCP server):
- Added graceful handling for Neo4j IF NOT EXISTS bug
- Prevents MCP server crash when indices already exist
- Logs warning instead of failing initialization
- Handles EquivalentSchemaRuleAlreadyExists error gracefully

Files Modified:
- graphiti_core/driver/neo4j_driver.py (3 lines changed)
- mcp_server/src/graphiti_mcp_server.py (12 lines added error handling)
- mcp_server/pyproject.toml (version bump to 1.0.5)

Testing:
- Python syntax validation: PASSED
- Ruff formatting: PASSED
- Ruff linting: PASSED

Closes issues with:
- Data being stored in wrong Neo4j database
- MCP server crashing on startup with EquivalentSchemaRuleAlreadyExists
- NEO4J_DATABASE environment variable being ignored

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-10 11:37:16 +01:00

138 lines
4.5 KiB
Python

#!/usr/bin/env python3
"""Verify migration data in Neo4j."""
from neo4j import GraphDatabase
import os
import json
NEO4J_URI = "bolt://192.168.1.25:7687"
NEO4J_USER = "neo4j"
NEO4J_PASSWORD = '!"MiTa1205'
TARGET_DATABASE = "graphiti"
TARGET_GROUP_ID = "6910959f2128b5c4faa22283"
driver = GraphDatabase.driver(NEO4J_URI, auth=(NEO4J_USER, NEO4J_PASSWORD))
print("=" * 70)
print("Verifying Migration Data")
print("=" * 70)
with driver.session(database=TARGET_DATABASE) as session:
# Check total nodes
result = session.run("""
MATCH (n {group_id: $group_id})
RETURN count(n) as total
""", group_id=TARGET_GROUP_ID)
total = result.single()['total']
print(f"\n✓ Total nodes with group_id '{TARGET_GROUP_ID}': {total}")
# Check node labels and properties
result = session.run("""
MATCH (n {group_id: $group_id})
RETURN DISTINCT labels(n) as labels, count(*) as count
ORDER BY count DESC
""", group_id=TARGET_GROUP_ID)
print(f"\n✓ Node types:")
for record in result:
labels = ':'.join(record['labels'])
count = record['count']
print(f" {labels}: {count}")
# Sample some episodic nodes
result = session.run("""
MATCH (n:Episodic {group_id: $group_id})
RETURN n.uuid as uuid, n.name as name, n.content as content, n.created_at as created_at
LIMIT 5
""", group_id=TARGET_GROUP_ID)
print(f"\n✓ Sample Episodic nodes:")
episodes = list(result)
if episodes:
for record in episodes:
print(f" - {record['name']}")
print(f" UUID: {record['uuid']}")
print(f" Created: {record['created_at']}")
print(f" Content: {record['content'][:100] if record['content'] else 'None'}...")
else:
print(" ⚠️ No episodic nodes found!")
# Sample some entity nodes
result = session.run("""
MATCH (n:Entity {group_id: $group_id})
RETURN n.uuid as uuid, n.name as name, labels(n) as labels, n.summary as summary
LIMIT 10
""", group_id=TARGET_GROUP_ID)
print(f"\n✓ Sample Entity nodes:")
entities = list(result)
if entities:
for record in entities:
labels = ':'.join(record['labels'])
print(f" - {record['name']} ({labels})")
print(f" UUID: {record['uuid']}")
if record['summary']:
print(f" Summary: {record['summary'][:80]}...")
else:
print(" ⚠️ No entity nodes found!")
# Check relationships
result = session.run("""
MATCH (n {group_id: $group_id})-[r]->(m {group_id: $group_id})
RETURN type(r) as rel_type, count(*) as count
ORDER BY count DESC
LIMIT 10
""", group_id=TARGET_GROUP_ID)
print(f"\n✓ Relationship types:")
rels = list(result)
if rels:
for record in rels:
print(f" {record['rel_type']}: {record['count']}")
else:
print(" ⚠️ No relationships found!")
# Check if nodes have required properties
result = session.run("""
MATCH (n:Episodic {group_id: $group_id})
RETURN
count(n) as total,
count(n.uuid) as has_uuid,
count(n.name) as has_name,
count(n.content) as has_content,
count(n.created_at) as has_created_at,
count(n.valid_at) as has_valid_at
""", group_id=TARGET_GROUP_ID)
props = result.single()
print(f"\n✓ Episodic node properties:")
print(f" Total: {props['total']}")
print(f" Has uuid: {props['has_uuid']}")
print(f" Has name: {props['has_name']}")
print(f" Has content: {props['has_content']}")
print(f" Has created_at: {props['has_created_at']}")
print(f" Has valid_at: {props['has_valid_at']}")
# Check Entity properties
result = session.run("""
MATCH (n:Entity {group_id: $group_id})
RETURN
count(n) as total,
count(n.uuid) as has_uuid,
count(n.name) as has_name,
count(n.summary) as has_summary,
count(n.created_at) as has_created_at
""", group_id=TARGET_GROUP_ID)
props = result.single()
print(f"\n✓ Entity node properties:")
print(f" Total: {props['total']}")
print(f" Has uuid: {props['has_uuid']}")
print(f" Has name: {props['has_name']}")
print(f" Has summary: {props['has_summary']}")
print(f" Has created_at: {props['has_created_at']}")
driver.close()
print("\n" + "=" * 70)